triangle épidémiologique

CONT: [The] epidemiological triad shows [the] relationship between [the] agent, [the] host and [the] environment in a triangular form. [The] epidemiological triangle also includes ""time"" ([the] incubation period and duration of [the] disease) at the centre of the triangle.
OBS: epidemiological triad; epidemiologic triad: These designations are usually used to refer to a concept which does not include the element ""time."" However, some authors use them to refer to the epidemiological triangle.